Properties

Label 2-2008-1.1-c1-0-25
Degree $2$
Conductor $2008$
Sign $1$
Analytic cond. $16.0339$
Root an. cond. $4.00424$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.452·3-s + 1.91·5-s + 1.96·7-s − 2.79·9-s + 0.787·11-s + 5.79·13-s + 0.864·15-s − 3.13·17-s + 4.63·19-s + 0.887·21-s + 2.51·23-s − 1.35·25-s − 2.62·27-s + 3.62·29-s − 6.20·31-s + 0.356·33-s + 3.74·35-s + 9.71·37-s + 2.62·39-s − 0.892·41-s − 5.80·43-s − 5.34·45-s + 3.65·47-s − 3.15·49-s − 1.41·51-s + 12.6·53-s + 1.50·55-s + ⋯
L(s)  = 1  + 0.261·3-s + 0.854·5-s + 0.741·7-s − 0.931·9-s + 0.237·11-s + 1.60·13-s + 0.223·15-s − 0.759·17-s + 1.06·19-s + 0.193·21-s + 0.523·23-s − 0.270·25-s − 0.504·27-s + 0.673·29-s − 1.11·31-s + 0.0620·33-s + 0.633·35-s + 1.59·37-s + 0.419·39-s − 0.139·41-s − 0.884·43-s − 0.796·45-s + 0.533·47-s − 0.450·49-s − 0.198·51-s + 1.73·53-s + 0.202·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2008 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2008 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2008\)    =    \(2^{3} \cdot 251\)
Sign: $1$
Analytic conductor: \(16.0339\)
Root analytic conductor: \(4.00424\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2008,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.547487905\)
\(L(\frac12)\) \(\approx\) \(2.547487905\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
251 \( 1 + T \)
good3 \( 1 - 0.452T + 3T^{2} \)
5 \( 1 - 1.91T + 5T^{2} \)
7 \( 1 - 1.96T + 7T^{2} \)
11 \( 1 - 0.787T + 11T^{2} \)
13 \( 1 - 5.79T + 13T^{2} \)
17 \( 1 + 3.13T + 17T^{2} \)
19 \( 1 - 4.63T + 19T^{2} \)
23 \( 1 - 2.51T + 23T^{2} \)
29 \( 1 - 3.62T + 29T^{2} \)
31 \( 1 + 6.20T + 31T^{2} \)
37 \( 1 - 9.71T + 37T^{2} \)
41 \( 1 + 0.892T + 41T^{2} \)
43 \( 1 + 5.80T + 43T^{2} \)
47 \( 1 - 3.65T + 47T^{2} \)
53 \( 1 - 12.6T + 53T^{2} \)
59 \( 1 - 6.08T + 59T^{2} \)
61 \( 1 - 6.47T + 61T^{2} \)
67 \( 1 + 8.94T + 67T^{2} \)
71 \( 1 - 7.14T + 71T^{2} \)
73 \( 1 + 11.3T + 73T^{2} \)
79 \( 1 + 11.9T + 79T^{2} \)
83 \( 1 - 4.55T + 83T^{2} \)
89 \( 1 - 1.55T + 89T^{2} \)
97 \( 1 - 5.55T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−8.955185322554819080436254744126, −8.589616125670388730183832210399, −7.72922694852428847458512444674, −6.69573627829248048118857117084, −5.85943706106730206860664857062, −5.35628403896775333928560353168, −4.19761342455787752396370874983, −3.20976778604699857323626861705, −2.17962911494779390665286791396, −1.14806160919623539000309059604, 1.14806160919623539000309059604, 2.17962911494779390665286791396, 3.20976778604699857323626861705, 4.19761342455787752396370874983, 5.35628403896775333928560353168, 5.85943706106730206860664857062, 6.69573627829248048118857117084, 7.72922694852428847458512444674, 8.589616125670388730183832210399, 8.955185322554819080436254744126

Graph of the $Z$-function along the critical line